Name: Leptospira

Rank: Genus

Lineage:
Bacteria;Spirochaetes;Spirochaetia;unclassified;Leptospiraceae;Leptospira

Description:
Leptospira (Greek leptos, "fine, thin" and Latin spira, "coil") is a genus of spirochaete bacteria, including a small number of pathogenic and saprophytic species. Leptospira was first observed in 1907 in kidney tissue slices of a leptospirosis victim who was described as having died of "yellow fever."

Reference Material:
https://en.wikipedia.org/wiki/Leptospira